REVENUE RECOGNITION: Disaggregation of Revenue by Timing (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Total revenues	$ 274,671	$ 313,849	$ 562,506	$ 629,313
Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	234,250	280,042	484,060	568,908
Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	40,421	33,807	78,446	60,405
Service
Disaggregation of Revenue [Line Items]
Total revenues	190,419	223,278	398,267	458,908
Service | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	190,419	223,278	398,267	458,908
Service | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Product
Disaggregation of Revenue [Line Items]
Total revenues	61,649	71,832	119,240	132,790
Product | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	43,831	56,764	85,793	110,000
Product | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	17,818	15,068	33,447	22,790
Royalties and fees
Disaggregation of Revenue [Line Items]
Total revenues	22,603	18,739	44,999	37,615
Royalties and fees | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Royalties and fees | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	22,603	18,739	44,999	37,615
Revenue recognized at a point in time: | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	234,250	280,042	484,060	568,908
Revenue recognized at a point in time: | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	17,818	15,068	33,447	22,790
Revenue recognized at a point in time: | Service | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	190,419	223,278	398,267	458,908
Revenue recognized at a point in time: | Service | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Revenue recognized at a point in time: | Product | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	43,831	56,764	85,793	110,000
Revenue recognized at a point in time: | Product | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	17,818	15,068	33,447	22,790
Revenue recognized over time: | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Revenue recognized over time: | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	22,603	18,739	44,999	37,615
Revenue recognized over time: | Royalties and fees | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Revenue recognized over time: | Royalties and fees | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	14,736	12,260	29,156	24,410
Revenue recognized over time: | Advertising fund | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Revenue recognized over time: | Advertising fund | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	$ 7,867	$ 6,479	$ 15,843	$ 13,205